Which of the Following Should the Nurse Be Aware of with Regard

Which of the following should the nurse be aware of with regard to nutritional needs during lactation?

A) The mother's intake of vitamin C, zinc, and protein now can be lower than during pregnancy.
B) Caffeine consumed by the mother accumulates in the infant, who therefore may be unusually active and wakeful.
C) Critical iron and folic acid levels must be maintained.
D) Lactating women can go back to their prepregnant calorie intake.